On 8/3/2008 4:47 PM Jake de Villiers wrote:

> Yeah, what David said.
>
> With the Oxygen sensor unplugged it should run on the rich side of
> stoichiometric, giving plenty of power and ~10% less MPG.  If its running
> like crap unplugged, there are other problems extant.

Huh. See my note responding to David's comment.
--
Mike "Rocket J Squirrel" Elliott

>
>
>
> On Sun, Aug 3, 2008 at 4:07 PM, David Beierl <dbeierl@attglobal.net> wrote:
>
>> At 03:40 PM 8/3/2008 -0700, Mike Elliott wrote:
>>
>>> But the good thing is: now I know what a Vanagon runs like when the O2
>>> sensor is disconnected. Not very well at all. Nossir, it's pretty, pretty
>>> poor.
>>>
>> BINGO!
>>
>> A Vanagon *in proper working order* runs just great without the O2
>> sensor.  That's why the first thing you do in troubleshooting is
>> unhook the bloody thing!  The sensor is there because the CAT needs a
>> very specific mixture to operate properly.  In Europe the WBX had no
>> sensor (and US-spec vehicles delivered in Europe, like mine, had a
>> straight pipe instead of a CAT -- the CAT would be supplied and
>> installed by VW when the vehicle came to the states).
>>
>> Now it's just possible that when you unhooked the sensor and left the
>> circuit with a long antenna hooked up, that it went nuts instead of
>> going open-loop.  That would be good news, cause otherwise you've got
>> a big mixture problem.
>>
>> David
>>
>>
>> --
>> David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/
>> '84 Westy "Dutiful Passage," '85 GL "Poor Relation"
>>
>
>
>
> --
> Jake
> 1984 Vanagon GL
> 1986 Westy Weekender "Dixie"
> Crescent Beach, BC
> www.crescentbeachguitar.com
> http://subyjake.googlepages.com/mydixiedarlin%27
>